About Transactional Email
If you have an online store, you may want to send your contacts transactional emails with information about their purchases and account activity.
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About the Pay As You Go Plan
Mailchimp's Pay As You Go plan lets you buy email credits as you send. Learn about the Pay As You Go Plan and how it works.
About the General Data Protection Regulation
The GDPR regulates how organizations process the personal data of EU citizens, including organizations located outside of the EU.
About the Canada Anti-Spam Law (CASL)
Learn about the Canadian Anti-Spam Law and what it requires.
About Test Email Sending Limits
Testing is always a good idea. But we do limit the number of test emails you can send. Learn more about these limits and what to do if you've met them.
About Email Template Widths
To work with most email clients, Mailchimp templates are no wider than 600px. Learn how to exceed this width limit when needed.
About Template Images
Image limits vary based on your Mailchimp template. Get tips on working with images using different template options.
About Taxes and Mailchimp
Learn about Mailchimp’s general tax collection process and find resources to learn more about VAT, GST, and other local requirements.
About Suspension
Learn about suspensions, why they can happen, and how to prevent them.
About Subscriber Engagement
Subscriber engagement is a key part of email marketing. Learn how to increase positive engagement and decrease negative engagement.
About Spam Traps
Spam traps are email addresses used by ISPs, anti-spam organizations, and other groups as a way to find people sending email to out-of-date contacts.
About Spam Filters
Even permission-based audiences can fall prey to aggressive spam filters, which we estimate block 10-20% of email from subscribers' inboxes.
